Vibratory-massage apparatus.



'PATE I I VJSENOE. HBRATORY MASSAGE APPARATUS.

NTED AUG.1'1, 1908.

No. 895,505. I I

- APPLICATION FILED NOV. 15,1907.

. Parasr orrrcnftt UNITED STATES YICTOR SENCE, OF NEW YORK, N Y.

YIBBATORY-HASSAGE APPARATUS.

Specification of Letters Patent. Patented Aug. It, 1908.

' Application fiied November 15, 1907. Serial No. 402,281.

. the diskor the )inion is loosely mounted on 1 Be it known thatI,Vrc'r0R Saxon, a citisaid shaftusua lly while the other is rigid Zenof the United States of America. and a therewith. resident of the borouh of Manhattan, city, An oval cover formed in two parts 17 and 53 1county, and State of hew York, have invent- 18 incloses the train ofgearing and eccentric ed certain new and useful Improvements in and thesupporting portion of the frame. Vibratory-Massage Apparatus, of whichthe In the form shown in Fig. 3, the socket following is aspecification. piece 19 has a series of holes 20 through which Myinvention relates to mechanical maspin 21 may be inserted, said pinpassing C5 g 1o sage apparatus and is designed to )roduce an throughholes in the main frame 1. Y 3 improved form of hand operated vibratoryIn the operation of my invention, the rest y massage machine which is ofmost compact plate is adjusted so as to most conveniently \;.i form,capable of producing the greatest vapermit of pressure being appliedtothe body triety of effects and most easily manipulated. of the patientat the desired point, and the 70 r 1 15 The best form of apparatusembodying my apparatus being held in one hand by the a invention atpresent known to me is illushandle 2, the crank 12 is rotated in thedirecg' trated in the accompanying sheet of drawtion of the hands of awatch. This gives the i ings in which, eccentric disk 13 a very highspeed of rota- Figure 1 is a side elevation ofthe apparation, whichproduces a' rapid vibration of the 7 9 2o tus, and a. section throughthe inclosing casentire apparatus which is transmitted to the ;l ing.Fig. 2 is a side view in partial section rest plate 4, and the body ofthe patient-.

on a plane at right an les to that of Fig. 1. The handle '2 beingmounted 'upon vlbration- Z Fig. 3 illustrates a modification. deadeningmatcrlal only a small portlon of Throughout the drawings like refercncthe vibration is transmitted to the hand of $0 1 figures indicatelikeparts. the operator. When the motion of the g: 1 1s themarn frame su)ported by the hancrank is stopped, the eccentric will continue die 2,which is preferab y made hollow and to rotate for a long tune by reasonof the f mounted on an extension of the frame by fact that the )awlconnection leaves it free thimbles or sleeves 3, 3, made of rubber or todo so, and also frees itfrom the drag of the Q so othersounddeadeningmaterial. driving gear. This also saves unnecessary I 4 isa rest plate designed to be rested or wearing of the gears. F pressedupon that portion of the body which The eccentric being mounted upon ashort is to be treated. This plate is carried by shaft at right anglesto the axis of the main shaftor spindle 5, which is preferably proframe,it creates a purely vibratory movei; 35 vided with a screw threaded endadapted to meat of the apparatus in'the plane of the E screw into athreaded opening in the socket eccentric and t oes not create a wabblingor piece 6. This socket piece 6 is mounted on a rotating motion such aswould be produced shaft in that end of the main frame opposite if theshaft of the eccentric were in line with i to the one at which thehandle is attached, the axis of the frame and the handle. Fur- I 40 andis capable of revolution thereon, being thermore, the above describedarrangement held in any desired position by thumb screw of the eccentricproduces a much more com- 7. To make the adjustment more )ositive, pactconstruction and enables the eccentric the socket piece 6 may beprovided with a and gearing to be completely hidden in a f series ofradial slots 8, 8, which cooperate compact flat casing.

4a with the catch 9, formed on the inside of the Having. therefore,described my inv'enframe 1. tion, I'claim: .i The end of the main frame,which pas es 1. -In a mechanical massage apparatus, the throu h thehandle is provided with a screw combination of a main frame and handlethreaded socket 10 into which the shaft 5 therefor, a train of gearingmounted in said i 50 may also be screwed. frame, a crank exterior oft-heframe connect Vithin the frameis mounted a train of ed to said gearing,an eccentric mounted on i toothed gearing 11, adapted to be driven ashort shaft at right angles to the axis of the s by the crank 12. Theeccentric disk 13 is frame and of the handle, and connected to i mountedon the short shaft 14 within the said gearing by apawl mounted on theeccen- :5 5 frame and is driven by the pawl 15 engag' trio, and a restplate adjustably connected to the frame.

' To all whom it'may concern:

ing the pinion 16 on said shaft 14. Either '2. 'In a mechanical massageapparatus, the combination of a main frame and handle therefor, a trainof gearing mounted in said frame, a crank exterior of the frame conncted to said gearing, an eccentric mounted on a short shaft at rightangles to the axis sof the frame and of the handle, and con- I nected tosaid gearing by a pawl mounted on the eccentric, and a rest plateadjustably 110 connected to the frame, together with a two part casinginclosing the train of gearing, the

eccentric and the supporting portion of the frame.

. 3. In a mechanical massage apparatus, the

combination of a main frame and handle -therefor, a train of gearingmounted in said frame, a crank exterior of the frame connected to saidgearing, an eccentric mounted on a short shaft at right angles to theaxis of the frame and of the handle, and connected to said gearing by apawl mounted on the eccentric, and a rest plate adjustably I connectedto the frame, together with an intervening layer of vibration deadeningmaterial between the handle and the frame.

4. In a mechanical massage apparatus, the

combination of a main frame, a handle, a

frame, a hand crank for driving said gearing,

a rest plate and means for attaching same to either end of the mainframe, the means at the end of the frame farthest from the handle com)rising a rotating socket piece, a supporting shaft for the platefitting into said socket, and a thumbscrew on the main frame for holdingsaid socket piece in various positions of adjustment.

Signed at New York, N. Y., this 16th day of October, 1907.

VICTOR SENCE.

Witnesses-2 WILLIAM G. SPIEGEL, Cnas. D. FoLsoM.

